/*
 * Copyright (C) 2005 Luca Veltri - University of Parma - Italy
 * 
 * This file is part of MjSip (http://www.mjsip.org)
 * 
 * MjSip is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * MjSip is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with MjSip; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * Author(s):
 * Luca Veltri (luca.veltri@unipr.it)
 */

package test;

import java.net.DatagramPacket;

//import java.net.InetAddress;

/**
 * UdpPacket provides a uniform interface to UDP packets, regardless J2SE or
 * J2ME is used.
 */
public class UdpPacket
{
    /** The DatagramPacket */
    DatagramPacket packet;

    /** Creates a new UdpPacket */
    UdpPacket(DatagramPacket packet)
    {
        this.packet = packet;
    }

    /** Gets the DatagramPacket */
    DatagramPacket getDatagramPacket()
    {
        return packet;
    }

    /** Sets the DatagramPacket */
    void setDatagramPacket(DatagramPacket packet)
    {
        this.packet = packet;
    }

    /** Creates a new UdpPacket */
    public UdpPacket(byte[] buf, int length)
    {
        packet = new DatagramPacket(buf, length);
    }

    /** Creates a new UdpPacket */
    public UdpPacket(byte[] buf, int length, IpAddress ipaddr, int port)
    {
        packet = new DatagramPacket(buf, length, ipaddr.getInetAddress(), port);
    }

    /** Creates a new UdpPacket */
    public UdpPacket(byte[] buf, int offset, int length)
    {
        packet = new DatagramPacket(buf, offset, length);
    }

    /** Creates a new UdpPacket */
    public UdpPacket(byte[] buf, int offset, int length, IpAddress ipaddr, int port)
    {
        packet = new DatagramPacket(buf, offset, length, ipaddr.getInetAddress(), port);
    }

    /**
     * Gets the IP address of the machine to which this datagram is being sent
     * or from which the datagram was received.
     */
    public IpAddress getIpAddress()
    {
        return new IpAddress(packet.getAddress());
    }

    /** Gets the data received or the data to be sent. */
    public byte[] getData()
    {
        return packet.getData();
    }

    /**
     * Gets the length of the data to be sent or the length of the data
     * received.
     */
    public int getLength()
    {
        return packet.getLength();
    }

    /**
     * Gets the offset of the data to be sent or the offset of the data
     * received.
     */
    public int getOffset()
    {
        return packet.getOffset();
    }

    /**
     * Gets the port number on the remote host to which this datagram is being
     * sent or from which the datagram was received.
     */
    public int getPort()
    {
        return packet.getPort();
    }

    /** Sets the IP address of the machine to which this datagram is being sent. */
    public void setIpAddress(IpAddress ipaddr)
    {
        packet.setAddress(ipaddr.getInetAddress());
    }

    /** Sets the data buffer for this packet. */
    public void setData(byte[] buf)
    {
        packet.setData(buf);
    }

    /** Sets the data buffer for this packet. */
    public void setData(byte[] buf, int offset, int length)
    {
        packet.setData(buf, offset, length);
    }

    /** Sets the length for this packet. */
    public void setLength(int length)
    {
        packet.setLength(length);
    }

    /**
     * Sets the port number on the remote host to which this datagram is being
     * sent.
     */
    public void setPort(int iport)
    {
        packet.setPort(iport);
    }
    
}
